DONJ Engineering Services

DONJ Engineering Services DONJ Engineering Services (DONJ) is a fast growing Company that began as a consultancy group & has expanded into full construction & Engineering Solutions.

With PCAB #47476-MEPF Classified-DONJ is committed to quality innovation & reliable project delivery

Engineering & Fire Life Safety. Five-star hotel inspection. Keeping operations and maintenance safe, reliable, and compl...
06/08/2026

Engineering & Fire Life Safety. Five-star hotel inspection. Keeping operations and maintenance safe, reliable, and compliant.

16/07/2026

End of Line Resistors!!!!.......
Its magic listen to this.....

17/06/2026

Foot Valve for Fire Pumps......

04/06/2026

How can we reduce the temperature of this koi pond? During summer, the water in this city hotel pond reaches 30°C, creating a stressful and potentially dangerous environment for the koi. Another interesting challenge—exploring the best solution for this project

₱17,700 on diesel for March… and the month isn’t even the hardest yet.Adjust, adapt, and keep moving forward. 🚗⛽
01/04/2026

₱17,700 on diesel for March… and the month isn’t even the hardest yet.
Adjust, adapt, and keep moving forward. 🚗⛽

Exploring possibilities with a potential Chiller supplier today. Fingers crossed for this project!!
09/03/2026

Exploring possibilities with a potential Chiller supplier today. Fingers crossed for this project!!

LF for Compactus / Movable Shelvings.......Thank you.......
30/01/2026

LF for Compactus / Movable Shelvings.......
Thank you.......

Address

Sta Ana
Manila
1009

Opening Hours

Monday 7am - 7pm
Tuesday 7am - 7pm
Wednesday 7am - 7pm
Thursday 7am - 7pm
Friday 7am - 7pm
Saturday 7am - 7pm

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